79979

Properties

Appears in sequences

• Primes that contain digits 7 and 9 only.at n=10A020471
• a(n) is smallest safe prime (A005385) such that a(n) + 12*n is the next safe prime, i.e., x = (a(n) - 1)/2 and x + 6*n are closest Sophie Germain primes.at n=33A059327
• Starting positions of strings of four 3's in the decimal expansion of Pi.at n=3A083611
• Primes with minimal digit = 7.at n=31A106107
• Primes having only {7, 8, 9} as digits.at n=33A106110
• Primes with digit sum = 41.at n=5A106774
• Primes p such that p^2*q^2*r^2 + 12 and p^2*q^2*r^2 - 12 are primes where q and r are next two primes after p.at n=25A240725
• Primes that contain only the digits (0, 7, 9).at n=24A261181
• Numbers with digits 7 and 9 only.at n=43A285011
• Irregular table whose rows are the nontrivial cycles of the ghost iteration A329200, ordered by increasing smallest member, always listed first.at n=19A329196
• Primes such that the next 10 prime gaps are all distinct.at n=32A372550
• Primes p such that, if q,r,s are the next three primes, both p*q*r*s - (p+q+r+s) and p*q*r*s + (p+q+r+s) are primes.at n=16A390929
• Prime numbersat n=7834